Paper Feed - Ricoh FT6645 Manual

12 April 1993

1.11 PAPER FEED

SC500 - Abnormal manual feed drive motor speed
Definition: [level : D]
Lock signal stays low in the manual feed motor on condition for 1.0 second or
more.
Possible causes:
•
Manual feed motor defective
SC501 - Abnormal paper feed drive motor speed
Definition: [level: D]
Lock signal stays low in the paper feed motor on condition for 1.0 second or
more.
Possible causes:
•
Paper feed motor defective
•
Paper feed control board defective
SC502 - Abnormal 1st lift motor movement
Definition: [level: B]
The 1st lift sensor detects high condition for 10 seconds or more after the 1st
lift motor starts. The first time, after the paper tray is opened and closed, the
1st lift motor starts again. If the above condition occurs twice, this SC is
displayed.
Possible causes:
•
1st lift sensor shorted
•
1st lift motor defective
•
Paper feed control board defective
SC503 - Abnormal 2nd lift motor movement
Definition: [level: B]
The 2nd lift sensor detects the high condition for 10 seconds or more after
the 2nd lift motor starts. The first time, after the paper tray is opened and
closed, the 2nd lift motor starts again. If the above condition occurs twice, this
SC is displayed.
Possible causes:
•
2nd lift sensor shorted
•
2nd lift motor defective
•
Paper feed control board defective
SERVICE CALL CONDITIONS
6-13